Substrate for manufacturing cutting elements



FIG. 1 is a perspective view of a substrate showing my new design;

FIG. 2 is a top plan view of the substrate of FIG. 1;

FIG. 3 is a side elevation view of the substrate of FIG. 1; and,

FIG. 4 is a bottom plan view of the substrate of FIG. 1. 

The ornamental design for a substrate for manufacturing cutting elements, as shown and described. 